3-Methoxy-2-nitro-5-(trifluoromethoxy)pyridine-4-acetic acid
3-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Methoxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetonitrile
6-Methoxy-2-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid